If the fan limit switch worked normally continue as follows.
Fan limit control switch wiring.
The controllers have 2 switches.
Turn off electrical power to the heating system reconnect the fan motor where you previously disconnected it turn on electrical power to the heating system call for heat.
Some are 11 inches some are 8 inches and there are some that are 5 inches for the insert that.
These combination warm air fan and limit controllers are suitable for various types of forced air heating systems.
Fan limit control installation faqs.
Fan limit switches are used on all types of building heating furnaces.
Wiring diagram for fan limit switch.
The other switch turns the fan on and off.
The fan limit switch on a heating furnace controls when the furnace blower fan turns on and off.
The first thing you will want to notice is the length of the insert for the control.
Here the furnace limit switch is controlling a line voltage device.
One which opens the limit circuit if the plenum temperature exceeds the preset safety limit.
Set the building thermostat to call for heat.
By admin march 14 2018.
This control also provides a safety limit that turns off the burner or furnace if temperatures at the furnace are too high.
Fan limit control installation faqs honeywell furnace temperature switch heating how to install wire the controls on furnaces l6064 doityourself com community forums.